From d4afd6d2a02c12697c959c046cd345ab0a645f72 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Wed, 28 Jan 2026 01:00:44 +0000
Subject: Restrict reference to single character.

---
 tests/helpers/strategies.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'tests/helpers/strategies.py')

diff --git a/tests/helpers/strategies.py b/tests/helpers/strategies.py
index 171c721..a30a34c 100644
--- a/tests/helpers/strategies.py
+++ b/tests/helpers/strategies.py
@@ -38,7 +38,8 @@ positions = st.integers(min_value=0,
 references = st.text(st.characters(codec="ascii",
                                    categories=(),
                                    include_characters=("A", "G", "C", "T")),
-                     min_size=1)
+                     min_size=1,
+                     max_size=1)
 
 sample_names = (tabless_printable_ascii_text
                 .filter(negate(is_genotype_metadata_column)))
-- 
cgit 1.4.1